主题词：Marine and environmental studies; Regional Development and Management Studies; Biofuel production and bioconversion; Biodiesel Production and Applications; Renewable energy and sustainable power systems; Botany and Plant Ecology Studies; Diverse Aspects of Tourism Research; Water Quality and Pollution Assessment; Tribology and Wear Analysis; Diverse Scientific Research in Ukraine; Integrated Water Resources Management; Anaerobic Digestion and Biogas Production; Lubricants and Their Additives; Crop Yield and Soil Fertility; Water Quality Monitoring and Analysis; Advanced Combustion Engine Technologies; Cruise Tourism Development and Management; Engine and Fuel Emissions; Heavy metals in environment; Wastewater Treatment and Nitrogen Removal; Soil erosion and sediment transport; Environmental Education and Sustainability; Water resources management and optimization; Insect and Pesticide Research; Agricultural economics and policies